from sys import stdin
X = int(stdin.readline().rstrip())
print(10-X//200) from sys import stdin X = int(stdin.readline().rstrip()) X int(stdin.readline().rstrip()) int stdin.readline().rstrip() stdin.readline().rstrip stdin.readline() stdin.readline stdin readline rstrip print(10-X//200) print 10-X//200 10 X//200 X 200 X = int(stdin.readline().rstrip()) int(stdin.readline().rstrip()) X
from sys import stdin
X = int(stdin.readline().rstrip())
print(10-X//200)